I-Nano-silica iyi-nanomaterial ebalulekile.
Ngokuya ngesakhiwo nosayizi, usayizi wezinhlayiyana zawo usezingeni le-nanometer, ngokuvamile phakathi kwama-nanometer angu-1-100. Lo sayizi wezinhlayiyana ezincane kakhulu uwunikeza indawo enkulu ethile engaphezulu, okuyisici esiyinhloko se-nanosilica esinikeza izici eziningi ezikhethekile.
Mayelana nezakhiwo ezibonakalayo, i-nano-silica ngokuvamile iyimpushana emhlophe. Inezici ezinhle zokubona, ukumunca okuqinile nokuhlakazeka kwemisebe ye-ultraviolet, futhi ingadlala indima ekuvikeleni imisebe ye-ultraviolet kweminye imikhiqizo yokuvikela ilanga. Ngesikhathi esifanayo, ubukhulu bayo be-nano buyenza ibe nomphumela wesayizi we-quantum, umphumela wesayizi omncane, njll., okwenza i-nano silica ibonise izici ezihlukene ezivela ezintweni ezivamile ezicini zikagesi kanye namagnetic, njengokuthi ingashintsha i-dielectric constant of the material.
Izakhiwo zamakhemikhali, ukuzinza kwamakhemikhali e-nano silica kuhle, i-asidi, i-alkali nezinye izinto zamakhemikhali ukugqwala, ezindaweni ezihlukene zamakhemikhali zingagcina ukuqina kwayo kwesakhiwo. Iqukethe inani elikhulu lamaqembu e-hydroxyl ebusweni bayo, okwenza i-nano silica ibe nomsebenzi othile futhi ingahlanganiswa nezinye izinto ngokusabela kwamakhemikhali.
Emkhakheni wokufaka isicelo, i-nano-silica idlala indima ebalulekile ezimbonini eziningi. Embonini kapende, ingathuthukisa ubulukhuni, ukumelana nokugqoka kanye nokumelana nesimo sezulu sikapende, kodwa futhi ithuthukise izakhiwo ze-rheological zopende ukuvimbela ukuhlanzwa kwe-pigment. Embonini yenjoloba, njenge-ejenti eqinisayo ingathuthukisa kakhulu amandla, ukuqina kanye nekhono lokulwa nokuguga kwemikhiqizo yenjoloba. Emkhakheni we-ceramics, i-nano-silica inganciphisa izinga lokushisa le-sintering ye-ceramics, kuyilapho ithuthukisa ukuminyana kanye nezakhiwo zemishini ye-ceramics. Emkhakheni we-biomedicine, ingasetshenziswa njengesithwali sezidakamizwa, isebenzisa ubukhulu bayo be-nano kanye ne-biocompatibility enhle ukuze kuzuzwe ukulethwa kwezidakamizwa ngempumelelo.